EM Waves and Light
Online lecture videos recorded by Prof. Darin Acosta
Use of these videos for teaching purposes requires the explicit
consent of Prof. Dain Acosta
- Electromagnetic Waves Introduction
- Lecture (5:57)
- Introduction to and demonstration of electromagnetic traveling waves
- Derivation of EM Wave Equation
- Sinusoidal EM Wave Solutions
- Lecture (25:00)
- Dual view in Mediasite, swap between views
- The traveling wave solution to the EM wave equation and its properties
- Energy and Momentum in EM Waves
- Lecture (14:30)
- Dual view in Mediasite, swap between views
- The Poynting vector and EM wave intensity and radiation pressure
- Polarization
- Lecture (13:40)
- Dual view in Mediasite, swap between views
- Polarization of light and how to calculate transmitted intensity through polaroid filters
- Nature of Light
- Lecture (6:32)
- Concept of geometric optics, which replaces traveling EM wave solutions with just their directionality (wavenumber k)
- Reflection and Refraction
- Lecture (23:19)
- Introduction to the laws of reflection and refraction (Snell's Law) including a demonstration of refraction and its explanation as a change in the speed of light in matter
- Total Internal Reflection
- Lecture (23:39)
- Phenomenon of total internal reflection explained in terms of refraction, with discussion and demonstration of optical fibers and mirages
- Dispersion
- Lecture (15:02)
- Phenomenon of chromatic dispersion and how white light can be separated into colors through refraction
- Scattering of Light and Polarization by Reflection
- Lecture (16:46)
- Polarization of light and how to calculate transmitted intensity through polaroid filters
Copyright Darin Acosta, 2021